Figure 1.

Inflammatory lesions of the anterior chest wall displayed by whole-body MRI in an
AS patient complaining about chest wall pain. Bone marrow edema (arrows) in both parts of the manubriosternal joint on coronal
and sagittal short τ inversion recovery (STIR) sequences in a 46-year-old human leukocyte
antigen B27 (HLA-B27)-positive male patient with ankylosing spondylitis and anterior
chest wall pain. He had a 6-year history of inflammatory back pain. The arrowheads
point to the mammary veins.